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Finding the Fourth Proportional to 173,682.10, 260,523.15 and 153,999.10

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Solution

The fourth proportional to 173,682.10, 260,523.15 and 153,999.10 is: 230,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,682.10 : 260,523.15 = 153,999.10 : x
  2. Step 2: Convert to fraction form
    173,682.10/260,523.15 = 153,999.10/x
  3. Step 3: Cross multiply
    173,682.10x = 260,523.15 × 153,999.10
  4. Step 4: Simplify right side
    173,682.10x = 40,120,330,629.17
  5. Step 5: Solve for x
    x = 40,120,330,629.17/173,682.10
  6. Step 6: Final answer
    x = 230,998.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.